zig/lib/libcxx/include/__algorithm/max_element.h
Alex Rønne Petersen 1c8f0b8909 libcxx: Update to LLVM 19.
* Moved the tz.cpp patch to experimental/tzdb.cpp.
* Extended the __config_site patch to a few more files.
2024-09-19 18:20:21 -07:00

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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___ALGORITHM_MAX_ELEMENT_H
#define _LIBCPP___ALGORITHM_MAX_ELEMENT_H
#include <__algorithm/comp.h>
#include <__algorithm/comp_ref_type.h>
#include <__config>
#include <__iterator/iterator_traits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Compare, class _ForwardIterator>
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _ForwardIterator
__max_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) {
static_assert(
__has_forward_iterator_category<_ForwardIterator>::value, "std::max_element requires a ForwardIterator");
if (__first != __last) {
_ForwardIterator __i = __first;
while (++__i != __last)
if (__comp(*__first, *__i))
__first = __i;
}
return __first;
}
template <class _ForwardIterator, class _Compare>
_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _ForwardIterator
max_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) {
return std::__max_element<__comp_ref_type<_Compare> >(__first, __last, __comp);
}
template <class _ForwardIterator>
_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _ForwardIterator
max_element(_ForwardIterator __first, _ForwardIterator __last) {
return std::max_element(__first, __last, __less<>());
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___ALGORITHM_MAX_ELEMENT_H